gio/gfilterinputstream.h

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2006-2007 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * Author: Christian Kellner <gicmo@gnome.org>
  19  */
  20
  21 #ifndef __G_FILTER_INPUT_STREAM_H__
  22 #define __G_FILTER_INPUT_STREAM_H__
  23
  24 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
  25 #error "Only <gio/gio.h> can be included directly."
  26 #endif
  27
  28 #include <gio/ginputstream.h>
  29
  30 G_BEGIN_DECLS
  31
  32 #define G_TYPE_FILTER_INPUT_STREAM         (g_filter_input_stream_get_type ())
  33 #define G_FILTER_INPUT_STREAM(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_FILTER_INPUT_STREAM, GFilterInputStream))
  34 #define G_FILTER_INPUT_STREAM_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_FILTER_INPUT_STREAM, GFilterInputStreamClass))
  35 #define G_IS_FILTER_INPUT_STREAM(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_FILTER_INPUT_STREAM))
  36 #define G_IS_FILTER_INPUT_STREAM_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_FILTER_INPUT_STREAM))
  37 #define G_FILTER_INPUT_STREAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_FILTER_INPUT_STREAM, GFilterInputStreamClass))
  38
  39 /**
  40  * GFilterInputStream:
  41  *
  42  * A base class for all input streams that work on an underlying stream.
  43  **/
  44 typedef struct _GFilterInputStreamClass    GFilterInputStreamClass;
  45
  46 struct _GFilterInputStream
  47 {
  48   GInputStream parent_instance;
  49
  50   /*<protected >*/
  51   GInputStream *base_stream;
  52 };
  53
  54 struct _GFilterInputStreamClass
  55 {
  56   GInputStreamClass parent_class;
  57
  58   /*< private >*/
  59   /* Padding for future expansion */
  60   void (*_g_reserved1) (void);
  61   void (*_g_reserved2) (void);
  62   void (*_g_reserved3) (void);
  63 };
  64
  65
  66 GLIB_AVAILABLE_IN_ALL
  67 GType          g_filter_input_stream_get_type              (void) G_GNUC_CONST;
  68 GLIB_AVAILABLE_IN_ALL
  69 GInputStream * g_filter_input_stream_get_base_stream       (GFilterInputStream *stream);
  70 GLIB_AVAILABLE_IN_ALL
  71 gboolean       g_filter_input_stream_get_close_base_stream (GFilterInputStream *stream);
  72 GLIB_AVAILABLE_IN_ALL
  73 void           g_filter_input_stream_set_close_base_stream (GFilterInputStream *stream,
  74                                                             gboolean            close_base);
  75
  76 G_END_DECLS
  77
  78 #endif /* __G_FILTER_INPUT_STREAM_H__ */